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In order to build a Firepit you must learn the Controlled Burn tech at a University of Body. In order to start a fire you must learn the Firebuilding skill from a School of Leadership. This skill can be increased by lighting fires. Higher levels in the skill seem to lower the ignition failure rate. (source: Neouni)

Grilling food

Things that can be added:

Input Output Ratio (in:out) Comments
Wood 200:0 start up cost
Tinder 1:0 start up cost
nothing Charcoal Variable see 1
Fish (any) 2 Grilled Fish 1:1 +2 end
Cabbage Grilled Cabbage 1:1 +2 spe
Carrots Grilled Carrots 1:1 +2 per
Cucumbers Grilled Cucumbers 1:1 +2 str
Eggplant Grilled Eggplant 1:1 +2 dex
Onions Grilled Onions 1:1 +2 end
Garlic Grilled Garlic 1:1 +2 foc
Peppers Grilled Peppers 1:1 +1 str, +1 dex
Watermelons Grilled Watermelons 1:1 +2 con

2) Up to 20 of each type of fish may be used. Each type requires its own Sharpened Stick. They all turn into the same kind of Grilled Fish.

You have no option to add anything AFTER the fire is started. Once its burning, thats it, --Akela

Combining serveral things like vegetables and ash producing things seems to lower ash production - Neouni
I ran a simple test of this. Two fires, 20 stokes each. Both had 100 limestone, 100 papy, 100 flax, and 100 leeks. One also had 20 onions, 20 cabbage, and 20 carrots. Ash, lime, and CC results were identical. --Quarrel

Stoking for ash and lime

"Pyromania for Fun and Profit" or, "The Proper Care and Feeding of Bonfires" (Quizzical's guide to bonfires)

Theory

Before starting the fire, you must add the materials which you intend to cook into ash and lime. Leeks, dried flax, and dried papyrus will all cook into ash. Limestone will cook into lime. Up to 100 of each ingredient can be added. Outputs stack, so if you make one fire with leeks, one with dried flax, one with dried papyrus, and one with limestone, and all burn just as long, your total output of ash and lime will be the same as if you had done all four items in a single fire, and it burned for the same amount of time.

You should also bring an ample supply of sharpened sticks, so that you don't run out while stoking the fire. I recommend sticking the firepit window.

While you can add less than the maximum of some ingredients, a firepit must have 200 wood and one tinder. If the wood and tinder are both in the firepit, you will be given an option to light the fire. This requires that you have flint in your inventory.

There are three possible outcomes when you attempt to light a fire. First, nothing may happen. Second, you may burn up the tinder without successfully starting the fire. In that case, you'll have to add tinder before you can again attempt to light the fire. Finally, the fire may properly start up.

In any of these three outcomes, there is also a chance to gain a firebuilding level. A higher firebuilding level increases your chance of successfully starting a fire. The maximum firebuilding level is 7, at which attempts at building a fire invariably succeed if you have the appropriate materials.

While the fire is going, most of the time, you will have the option to stoke it with a sharpened stick, if you have any sharpened sticks in inventory. Stoking a fire with a sharpened stick has perhaps a 1 in 10 chance of burning up the stick. This is a rough approximation, and not believed to vary with firebuilding level.

There are five phases of a burning fire. The first is the initial phase, in which the flames are a combination of orange, yellow, and white. The only effect of stoking a fire here is a chance to put the fire out prematurely. If a fire is put out in the initial phase, no materials are lost. Even the wood and tinder remain, as if the fire had never been lit, though you may still lose sharpened sticks. If you accidentally start a fire when you didn't mean to, several quick stokes to put out the fire can prevent loss of materials.

The next phase is the stoke phase. The stoke phase is signified by the flames turning mostly white, with only a little bit of yellow, and no orange at all. If you're not certain whether your fire has just entered the stoke phase, it hasn't. Entering the stoke phase is an unmistakable shift in flame appearance, to mostly white and absolutely no orange, and remaining that way for several seconds.

The stoke phase lasts about 10 seconds, and if you do not stoke the fire in this phase, it will be followed by the smoldering out phase. If you stoke a fire in the stoke phase, the option to stoke it again will be removed, as a fire can only be stoked once in the stoke phase. That makes it so that if you're trying to stoke a fire in the stoke phase, it's immediately clear when you've done it properly.

If you successfully stoke a fire in the stoke phase, it is followed by the post-stoke phase, which also lasts about 10 seconds. The post-stoke phase has the fire mostly white and yellow, with a little bit of orange fading in and out. A fire can be stoked in the post-stoke phase, and the effect of the stoking is to have a small chance to put the fire out prematurely, in which case your materials do get burned up, and the ash, lime, and charcoal yields will be substantially lower than if the fire had been allowed to smolder out.

It may look like you're getting several stoke phases in a short period of time, but you're not. After you successfully stoke a fire in the stoke phase, ignore the disappearance of all orange for the next 20 seconds or so. I like to say something in Main, as the message takes 15 seconds to disappear, and then waiting a few seconds past that is enough to ensure that the post-stoke phase is over.

The next phase is the no-stoke phase, which is marked by a continual presence of orange flames. It is functionally identical to the post-stoke phase, in that the effect of stoking is to have a chance to put a fire out. It is visually distinguished from the post-stoke phase in that there is a continual presence of orange flames, along with the white and yellow. In the no-stoke phase, it is important to watch carefully for when the stoke phase is coming, as that is what follows the no-stoke phase. The length of the no-stoke phase varies considerably, and can be anywhere from about 10 to 40 seconds.

The final phase is the smoldering out phase. This lasts five minutes after a stoke phase passes in which the fire is not stoked. A firepit cannot be stoked in the smoldering out phase. All that can be done is to wait five minutes for the fire to die, at which time the ash, lime, and charcoal can be removed.

Charcoal, lime, and ash yields are not affected by the number of stokes directly, so stoking outside of the designated stoke time doesn't increase your yield, even if you're lucky enough not to put the fire out that way. Yield is markedly reduced if the fire is put out prematurely by an ill-timed stoke.

Short summary

Phase Flame colour Stoking No stoking
Initial phase orange, yellow, white Put fire out prematuraly, no materials lost Next Phase: Stoke phase
Stoke phase mostly white, little bit of yellow, no orange Next Phase: Post stoke Phase Next Phase: Smoldering out phasee
Post stoke phase mostly white and yellow, little bit of orange Small chance to put the fire out prematuraly -> Materials get burned up, ash, lime and charcoal yields substantially lower Next Phase: No stoke phase
No stoke phase continual presence of orange flames Small chance to put the fire out prematuraly -> Materials get burned up, ash, lime and charcoal yields substantially lower Next Phase: Stoke phase
Smoldering out phase - Fire stops

Pictures

No-Stoke Phase Stoke-Phase:

Comments

While I have tracked data in number of successful stoke phases, it is likely that the yields are instead based on time elapsed since the fire was lit. This would explain the slight variance in yields with the same number of successful stokes, though fire duration in a fire which is not put out prematurely is strongly correlated with the number of successful stokes. This would also explain why putting out a fire prematurely drops the yield.

My experience backs up the theory that it is the time duration of the fire, rather than the number of stokes, that determines the output. Furthermore, it doesn't seem to matter whether the fire is allowed to smoulder out naturally, or is "stoked to death". When interpreting that statement, keep in mind that the 5 teppyminute smouldering out phase does count toward production time. Verify this with the following experiment:

Start two firepits at the same time, with the same input materials. Let them run for any duration. Let one smoulder out while continuing to tend the second. As soon as the first fire smoulders out completely (when you get the message in Main), stoke the other to death. The two fires should have produced identical yield.

-Numaris

It is likely that firepits could operate something along the lines of glazier's benches: dreadfully boring if only one, but more interesting with several at once. The penalty for missing a stoke in a firepit is much greater than for mistiming a charcoal addition in a glazier's bench, though.

You can also readily get your firebuilding level to 7 if you care to. Get a bunch of tinder and sharpened sticks, put the 200 wood in the fire, start it, and immediately put it out by stoking it with sharpened sticks in the initial phase. Each attempt at starting a fire gives you a chance of increasing your firebuilding level, and you can get many such attempts in a short period time, at a cost of only a few tinder and quite a few sharpened sticks. [added by funbot: I tried this as a new tale 3'er and despite mad stoking in first stage lost everything]

It doesn’t make much sense to run and stoke a fire without using the maximum amount of limestone, unless ash has some major non-glass uses that were absent in the past. If you use the maximum amount of limestone, leeks, flax, and papyrus, you'll get more than 2 ash per lime. Assuming that ash cooks into potash at a 1:1 ratio as in the past, this would give you more potash than you could use for your amount of lime, even if you never make any soda glass.

You get more ash, lime, and charcoal from longer stoking for all the materials that produce them. However, these all have diminishing returns to scale, so for example, the first ten proper stokes of a bonfire will do a lot more for you than the 41st though 50th stokes. Additional stoking benefits ash from papyrus far more than any of the other materials. The other materials seem to get about the same percentage benefit, though with leeks, the numbers are small enough that it's hard to tell.

Right now, leeks, flax, and papyrus are all reasonably comparable in efficiency in making ash without stoking, as measured in ash per amount of work to produce the materials. There will be big improvements in limestone efficiency with endurance food, and possibly better hammers and chisels. There will also be big improvements in flax efficiency from better flax strains. There will only be small improvements in leeks from pyramids, and no papyrus improvements are expected at all.

With stoking not becoming easier, it becomes less valuable as the materials needed become easier. As such, right now, it makes sense to use leeks, dried papyrus, and limestone, and stoke firepits for quite a while. Once better technologies come out, it will probably make more sense to use leeks, dried flax, and limestone, and stoke for a while, but not as long. If this doesn't produce enough ash without papyrus, then some dried papyrus could occasionally be added to produce sufficient ash.

In the interest of getting a more complete firebuilding guide out quickly, I don't have the data to properly back up all the claims made above. I haven't tried putting the fire out prematurely very many times other than in the initial phase where it does not lead to loss of materials; I expect that this will be done enough times accidentally that if it is productive, that will be discovered soon enough. I haven't tried adding fewer than 100 of the various ingredients at all. I expect that the claims are sharp enough that, if wrong, should be easily proven to be wrong.

Formulas

These formulas are only rough approximations. Please don't quote them and claim that Quizzical said that the formula was exactly such and such. They fit my data reasonably well, and probably won't be very far off if you stoke for less than an hour, but are certainly not the exact formulas.

If n is the number of proper stokes of a fire, which is allowed to smolder out rather than being ended prematurely, and you use the maximum allowed of whatever materials you use, then your yields should be about:

Wood: 5.8 \sqrt{20+n} charcoal
Limestone: 3.1 \sqrt{20+n} lime
Dried flax: 2.6 \sqrt{20+n} ash
Leeks: \sqrt{20+n} ash
Dried papyrus: 2.8 (15+n)^{2/3} ash

I have done 0-13 proper stokes so far, using maximum limestone+leeks+dried flax. My data fits to the following much better : --Sumtet
Charcoal: 6.60 (13.2+n)^0.5
Ash: 4.15 (13.2+n)^0.5
Lime: 3.55 (13.2+n)^0.5

Data used in above guide

In all cases, the maximum of the listed ingredients were added. My routine in stoking firepits is to state the number of stokes in main at each proper stoke, and use the timestamp on previous statements and the time it takes for the message to disappear to gauge how long to wait before the next stoke, so I'm confident that the number of proper stokes listed is exactly correct. The amounts of charcoal, lime, and ash which result are exact, as well. The time each fire took was not recorded, either in Teppy-time or real time, though this is strongly correlated with the number of proper stokes. The 53 stoke fire was ended when a stoke was missed due to a two minute lag spike.

Some early haphazard results in which I was learning how to stoke are excluded. I had firebuilding skill 7 for all of the results in which there was stoking done.

Maximum of all materials added:

Stoke Charcoal Ash Lime
0 25 31 13
5 28 39 15
10 32 44 17
15 34 49 19
20 38 55 20
30 41 61 22
40* 45 70 24
53 49 77 26

No stoking, only ash materials added:

Materials Charcoal Ash
Leeks 25 4
Flax 25 11
Papyrus 24 16
All 24 31

40 proper stokes, limestone added in addition to ash materials:

Materials Charcoal Ash Lime
Leeks 44 8 24
Flax 44 20 24
Papyrus 44 40 24
All* 45 70 24

Other raw data

T3 Live

Input Number of Cycles Result
100 dried flax 58 48 cc, 22 ash
100 dried papyrus 58 48 cc, 46 ash
100 leeks 49 38 cc, 21 ash
100 limestone 25 38 cc, 21 lime
100 Limestone 71 (1 hour) 54 cc, 29 Lime
95 Limestone 0 24 cc, 11 Lime
96 Limestone 0 24 cc, 13 Lime

Made some tests for ASH --> 100 limestone 100 leeks stoked 6 times. Result 5 ash, 30cc, 16 lime
100 limestone 100 dried flax under exact same conditions. Result 13 ash, 30cc, 16 lime -Ade

T3 Beta

Input Number of Cycles Time Description of Stokes per cycle Clean or premature ending Result
10 limestone 2 1 stoke each cycle after the first peak of the yellow phase clean ending 27 cc
100 limestone 0 don't stoke at all clean ending 13 lime, 24-25 cc
10 limestone 20 1 stoke each cycle after the first peak of the yellow phase clean ending 37 cc

100 limestone -- stoke for 25 minutes clean ending 23 lime, 43 cc
100 limestone 45+ 44 teppy min 1 stoke between c and d clean ending 27 lime, 50cc
100 limestone 56+ stoke for 1 hour, burned for 59 teppy min 1 stoke each cycle after the first peek of the yellow phase clean ending 29 lime, 53cc
100 limestone 4 8 Teppy min 1 stoke between c and d clean ending 15 lime, 27 cc
100 limestone 4 8 Teppy min 1 stoke between c and d, and 2 stokes between f and g clean ending 15 lime, 28 cc
100 limestone 4 8 Teppy min 1 stoke at the end of the orange phase clean ending 15 lime, 28 cc
100 limestone 14 16 Teppy min 1 stoke between c and d clean ending 18 lime, ? cc
80 limestone 0 don't stoke at all clean ending 11 lime, 24 cc
49 limestone 7? 7 stokes when it turned yellow let it die after the 7th 8 lime, 30 cc

With this data, for cc at least, it seems faster to just gather 200 wood, burn multiple fires and never stoke it rather than stoking for an hour just to double cc output. Any clue if limestone is even efficient for stoking? - Delerium

It's definitely worth it to stoke for limestone. It takes nearly an hour to gather 100 limestone and you can nearly double the efficiency by stoking for half an hour. It's also fairly easy to run several fires at once, providing even greater levels of efficiency. - Kanvil

A summary of the above guide could be "Start a fire, wait until it turns white, then poke. Wait for it to get red. Wait for it to turn white, then poke. Repeat." I also want to endorse the "err on the side of not-stoking" mentioned below. - Taemon

Other Tips

Forgive me if this isn't placed right. I am new to Tale 3 and these firepits have been driving me crazy - I'm used to the old bonfires. I read this guide several times and still had a hard time with stoking. So I started playing and figured out some things that work for me. I thought I'd share in case others were having issues as well.

The biggest problem I had was figuring out when to stoke. I get the whole "stoke when it's yellow", but I find very few times when there is no orange. Plus I never seem to notice an increase or decrease in flame size as is mentioned above. I decided to try the double F8 view to see if it would help me notice the changes and (thank goodness!) it does.

When you are looking from the double F8 view your fires look like asterisks, or many pointed stars. The colors are pretty much the same, however you always have a standard background for them. I.e. the bottom of the firepit as opposed to a normal view where your background may be grass or sand or a wall, etc. I find this helps to see when the fire changes to yellow/white from orange/yellow/white. Also, you will find that the arms of the star get much thinner when it is time to stoke. If you have a hard time with the colors, the shape change should help.

Here is an example picture. The left fire needs to be stoked, the right fire does not.

One problem I find (from either view) is that sometimes the whole fire seems to puff up and display all 3 colors at once. This only happens once every 5-6 cycles, and always confuses me. Generally if it is near the time for that fire to be stoked, I stoke. If it is not, I don't. So far I have never pre-maturely ended a fire this way.

Picture:

Finally, another thing I found helped was using my ears. Mind you, firepits do not have normal even tics and you cannot manage a fire on sound alone. However there are some clues that can help you out. First, listen to your fire for a bit....you will notice there is a loud pop about every 5 seconds. These pops are of slightly different tones and repeat 4 times...conveniently 20 seconds. The guides above mention that you should ignore the colors for 20 seconds after stoking. Listening to these pops can help with that. Consider each 5 second period between pops a tic. If you stoke a fire in tic 1, you know that you will need to ignore the colors for at least the next 3 tics, or until tic 1 comes around again. The colors can change at any point in a cycle so it can still be confusing, but generally I find that a fire rarely wants to be stoked within 5 seconds of the last 4 tic cycle. So you can count a full 4 tics after the last stoking, and then you should see the orange flames and watch for them to become yellow again.

A last note about timing - as stated above, fires don't follow any set pattern. However when you are running 2 at once you can see some similarities. They generally will want to be stoked in 5 seconds increments of each other and will follow the same timing for 1-3 cycles. For example, fire 1 wants to be stoked, then fire 2 comes up 10 seconds later. The same repeats. Then fire 1 may decide to follow 15 seconds after fire 2, and repeat again. As I said, you can't count on this....but it does give me confidence to know I am stoking in the right place if a time period repeats itself.

None of this is scientific, just observations of someone highly perplexed by firepits. I hope it helps. :) - rubenette

Newbye's addition

This is all really very simple. As the initial guide said the stock phase comes every minute or so (real minute) and at that time you need to stoke. But as the notes author mentioned the guide is a bit confusing. So, the whole process goes something like this It seems, that advantages gained by stoking are far outweighed by the time it takes. To gain reasonable increase in production you will need to do 15-25 stokes and that takes considerable time (20-30 real time minutes) during which all you do is watch the fire burn. And you are running a risk of stoking at the wrong time and ruining the fire thus drastically reducing the output. What you want to do is build several firepits, fill them with materials and let them run out. You will get somewhat less final products, but will save a lot of time and aggravation. After all, only limestone is bothersome to get and even that, given proper tools and food is not that bad.


NameCreatorDateSizeDescription
bigburst.jpgrubenetteMarch 3, 2007 8:53 pm72613all 3 colors in a fire
colordiff.jpgrubenetteMarch 3, 2007 8:54 pm85283difference between yellow/white and orange/yellow

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